AcuRite Wireless Indoor Outdoor Temperature and Humidity Sensor , white

One of the most company sensors on the market, this temperature, and humidity module measures accurately with - +/- 2 degrees (Fahrenheit). Just pair with an AcuRite Access (sold separately) and create custom alerts when weather conditions change that are important to you. The integrated hole allows you to easily mount your sensor outside. On a nail, or with some fishing line, you can easily hang your sensor anywhere. Features: * Wireless weather-resistant sensor for accurate indoor/outdoor temperature and humidity * Remote sensor reaches up to 330 feet (100 meters) using 433 MHz wireless signal * Requires 2 AA alkaline or lithium batteries (not included) * Connects with compatible AcuRite weather stations through the AcuRite Access (sold separately) * Company Based in Lake Geneva, WI, USA - Since 1943